[Bug 36822] New: Slow boot with dc395x compiled into the kernel.

[Bug 36822] New: Slow boot with dc395x compiled into the kernel.

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36822

           Summary: Slow boot with dc395x compiled into the kernel.
           Product: SCSI Drivers
           Version: 2.5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: DC395X
        AssignedTo: scsi_drivers-dc395x@kernel-bugs.osdl.org
        ReportedBy: taxi@a-city.de
        Regression: No


I'm using a Tekram TRM-S1040 Card with a HP Scanner connected to it.
When I compile the driver directly into the kernel the kernel needs about 7
secounds to boot with a noticabe delay here:
[    3.107686] scsi 7:0:0:3: Direct-Access     Generic  USB MS Reader    1.03
PQ: 0 ANSI: 0
[    6.130981] scsi 0:0:0:0: Attached scsi generic sg0 type 3
(where sg0 is the scanner)

Also my internal drives correlate with the USB Card-Reader, so my drives are:
sda: card reader
sdb: fist harddrive
sdc-sde: card reader
sdf: secound harddrive

But if I compile the driver as a Module (so it's loaded by udev) the kernel
boot time is only about 2.5 secounds, my drives are:
sda: first or secound harddrive
sdb: first or secound harddrive
sdc-sdf: card reader

also the boot-time of the whole machine (kernel + init) is reduced by around 6
to 8 secounds.

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[Bug 36822] Slow boot with dc395x compiled into the kernel.

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36822


Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |alan@lxorguk.ukuu.org.uk
         Resolution|                            |DOCUMENTED




--- Comment #1 from Alan <alan@lxorguk.ukuu.org.uk>  2012-05-14 14:23:23 ---
Not unusual - the card reader has had more time to get itself ready before the
kernel waits for it

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[Bug 36822] Slow boot with dc395x compiled into the kernel.

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=36822


Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED




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